US1751234A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Composition and manufacture of refractory basic brick and the like
Assignee: Individual
•
Filing: 1923-03-06
•
Granted: 1930-03-18
•
Expires: 1943-03-06
Abstract
No abstract record available.
Inventors
- 👤 Garnett Cecil Stevenson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 15:33
CPC Classifications
C; C04; C04B; C04B35/00; C04B35/01; C04B35/03; C04B35/06; C04B2/00; C04B2/10; C04B2/102
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1933-03-17 | 1933-09-16 | 1934-03-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1937-03-17 | 1937-09-16 | 1938-03-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1941-03-17 | 1941-09-16 | 1942-03-18 | $7700.00 | Window Closed / Lapsed |